Astronomical Applications Department, U.S. Naval Observatory Linear Least Squares Page 4
A

T
3
2
T
4
T
2
S
0

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
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=
(
)

+
T
3
T
2
T
1
T
4
S
1

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
2
+

T
2
2
T
1
T
3
S
2

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
2
+
B
(
)

+
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1
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T
3
2
T
4
T
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N 2 T
1
T
2
T
3
T
2
3
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4
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1
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=

+
N T
4
T
2
2
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1

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
2
+
(
)

N T
3
T
1
T
2
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2

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
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T
1
2
+
C

T
2
2
T
1
T
3
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+
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3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
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4
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1
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=
(
)

N T
3
T
1
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2
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1

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
2
+

T
1
2
N T
2
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2

+
+

T
3
2
T
4
T
2
N 2 T
1
T
2
T
3
T
2
3
T
4
T
1
2
+
3. An Automated Linear Least Squares Solution Generator
Here is a procedure that automates the process outlined in the example of the previous section.
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